Jul 13, 2011 2:35am EDT
leroy petrie went in may 2008. afghanistan, his seventh tour of duty. these pictures from before he found out what he was made of. with the true sign of that today being a ceremony, a certain discomfort at the attention. >> to be singled out is very humbling. >> reporter: perhaps, yes, for a kid who used to get into fights and who almost failed in high school. but who out there picked up a live enemy grenade to toss it away to save his comrades. it cost him his right hand. but he's alive, rare for medal of honor winners who usually are honored posthumously. but there's also this. leroy petrie decided he's not done. and when he reenlisted he took the oath with his right hand. his new one. john donvan, abc news, washington. >> you know the med of a of honor was given yesterday on the award's 149th anniversary. president lincoln signed the medal of honor act in 1862. >> also he's now been assigned to a military base near tacoma, washington, where he's going to help other war veterans as well to transition back into everyday civilian life which is really difficult for a lot of veterans.